Following on from my recent endeavors to improve my photography, I had the perfect excuse to practice when I visited Portugal. Before the evening meal we walked up the pier and just caught the sunset which threw up a beautiful array of colours which I enjoyed trying to capture.
Tags » Histogram
So often I see photos that show people almost totally lost in shadows. Maybe a group standing in front of the Eiffel Tower – beautiful detail in the landscape, but the faces of the people are totally unrecognizable because of the shadows falling across their faces. 627 more words
Histograms: Construction, Analysis and Understanding
What is a Histogram?
A histogram is “a representation of a frequency distribution by means of rectangles whose widths represent class intervals and whose areas are proportional to the corresponding frequencies.”
이제는 변수에 대한 히스토그램(Histogram)을 그려보자. 히스토그램은 연속변수(continuous variable)과 이산변수(discrete variable) 모두 적용가능하다.
기본적으로, y 축은 density로 표시된다. 그러나 Stata에서는 히스토그램에서 y축을 4가지 버전(version)으로 표시할 수 있다. 32 more words